Siemens SIRIUS 3RQ4 Plug-In Coupling Relay 230V AC/DC 1 Changeover Contact Spring-Type Terminal

The Siemens SIRIUS 3RQ4 Plug-In Coupling Relay (3RQ4118-2AF00) is a high-quality interface relay designed for industrial control applications. With a rated control supply voltage of 230 V AC/DC and a 1 changeover contact (SPDT), it provides reliable switching for various automation tasks. The spring-type terminal connection ensures fast and secure wiring, reducing installation time.

Advantages

This coupling relay offers high electrical endurance of 100,000 switching cycles and mechanical endurance of 10,000,000 cycles, ensuring long service life. Its compact plug-in design allows for easy replacement and maintenance. The wide operating temperature range from -25 to +60 °C makes it suitable for demanding environments.

Suitable for

• Industrial control panels
• Automation systems
• Signal isolation and amplification
• Switching of loads up to 6 A at 250 V AC

Key specifications

• Product Type: Coupling Relay
• Series: SIRIUS 3RQ4
• Mounting: Plug-in (for socket)
• Contact Configuration: 1 NO + 1 NC (changeover)
• Control Supply Voltage: 230 V AC/DC
• Connection: Spring-type terminal
• Rated Operational Current: 6 A at 250 V AC
• Power Consumption: 1.5 VA (AC) / 0.8 W (DC)
• Protection Class: IP20
• Approvals: CE, UL, CSA, CCC, EAC

Recommendations

For optimal performance, use with compatible Siemens sockets and accessories. Ensure proper wiring according to the terminal diagram. This relay is ideal for applications requiring reliable switching and isolation.